Paper Feeding Problems - Brother mfc8440 Service Manual
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Also See for mfc8440:
- User manual (426 pages) ,
- Software user's manual (183 pages) ,
- Quick setup manual (52 pages)
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CHAPTER 6 TROUBLESHOOTING
3.4
Paper Feeding Problems
Even if the paper is printed and ejected without any problems such as paper jams, paper
feeding problems below may appear.
Users can clear these problems by following the 'User Check' items for each problem. Even if
the same problem occurs again, follow the procedures in the table below.
F-1
Double feeding
User Check
Check the paper used meets the recommended paper specifications.
Possible cause
Separation pad
F-2
Wrinkles or creases
User Check
(1) Check that paper is loaded into the paper tray correctly.
(2) Check the paper used meets the recommended paper specifications.
(3) Try printing using the straight-through output path.
(4) Turn over the stack of paper in the cassette or try rotating the paper 180° in the cassette.
Possible cause
Paper
Fixing unit
entrance guide
Fixing unit
F-3
User Check
(1) Check that the paper or other media is loaded into the paper tray correctly and that the paper
guides are not too tight or too loose against the paper stack.
(2) If using the manual feed slot, check how to load paper into the manual feed slot correctly.
(3) The paper tray may be too full. Load paper below 27mm in depth.
(4) Check the paper used meets the recommended paper specifications.
Step
Check
1
Is the surface of the separation
pad worn out?
Step
Check
1
Is the problem solved if new
paper is used?
2
Is the entrance guide dirty?
3
Is the pressure roller dirty?
Page skew
Result
Yes
Replace the separation pad.
Result
Yes
Instruct the user how to store
paper so that it does not
absorb moisture.
Yes
Clean the entrance guide.
Yes
Clean the pressure roller.
No
Replace the fixing unit.
6-18
Remedy
Remedy
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Troubleshooting
